Technics RS-TR474 Service Manual

Dolby
NR-Equipped
Stereo
Double
Cassette
Deck
*
Dovey
e-e
na
nx
PAO)
AR-1
MECHANISM
SERIES
SPECIFICATIONS
Wi
CASSETTE
DECK
SECTION
Deck system
Track system
Stereo cassette deck
4-track, 2-channel
Recording
system
AC
bias
Bias
frequency
80kHz
Erasing
system
AC
erase
Heads
DECK
1
Playback
head
(Permalloy)
x
1
;
DECK
2
Recording/Playback
head
(Permalloy)
x
1
Erasing
head
(Doubie-gap
ferrite)
x
1
Motors
DECK
1
Capstan
drive
(DC
servo
motor)
x
1
Reel
table
drive
(DC
motor)
x
1
DECK
2
Capstan
drive
(DC
servo
motor)
x
1
Reel
table
drive
(OC
motor)
x
1
Tape
speed
4.8omisec.
(1-7/8ips)
Wow and flutter
For (E, EB, EG) areas
Fast
forward
and
rewind
times
0.1% (WRMS)
+0.2% (DIN)
Approx.
50
seconds
with
C-60
cassette
tape
-
Frequency
response
(Dolby
NR
off)
NORMAL
40Hz—15kHz+3dB
For
(P,
PC)
areas
20Hz—17kHz
For
others
20Hz—
16kHz
(DIN)
CcrO,
40Hz—15kHz+3dB
For
(P,
PC)
areas
20Hz—17kHz
For
others
20Hz—
16kHz
(DIN)
Technics
rvice
Manual
ORDER NO. AD9401007C5
Cassette Deck
RS-TR47/4
Colour
(K)... Black Type
Aréa A..Golour
Area
Suffix fer~
Model No.
a
[©
|
europe
|
(EB)
Great
Britain.
com
Germany
and
Italy.
*
Dolby
noise
reduction
and
HX
Pro
headroom
extension
manufactured
under
license
from
Dolby
Laboratories
Licensing
Corporation.
HX
Pro
originated
by
Bang
and
Olufsen.
“DOLBY”,
the
double-D
symbol
and
“HX
PRO”
are
trademarks
of
Dolby
Laboratories
Licensing
Corporation.
METAL
40Hz—16kHz+3dB
For
(P,
PC)
areas
20Hz—
18kHz
For
others
20Hz—17
kHz
(DIN)
SIN
(Signal
level=max
recording
jevel,
CrO,
type
tape)
NR
off
56dB
(A
weighted)
Dolby
B
NR
on
666B
(A
weighted)
Dolby
C
NR
on
74dB
(A
weighted)
.
Input
sensitivity
and
impedance
REC
(IN)
10OmMV/47
kK
Output
voltage
and
impedance
PLAY
(OUT)
500
mV/500Q
HEADPHONES
For
(E,
EB,
EG)
areas
30mVI(8Q)
(Load
impedance
8Q—-600Q)
Mi GENERAL
Power
consumption
24W
Power supply
For (P, PC) areas
For others
Dimensions
(W
x
H
x
D)
430
x
136
x
285mm
(16-15/16"
*
5-5/16"
x
11-7/32")
Weight
4.4kg
(9.7
Ib.)
AC 60Hz, 120V
AC
50/60Hz,
230V—240V
Note:
Disign
and
specifications
are
subject
to
change
without
notice.
Weight
and
dimensions
are
approximate.
S673

Technics RS-TR474 Specifications

General

Brand	Technics
Model	RS-TR474
Category	Cassette Player
Language	English